Scientists find 2,600 year-old earthenware coated with carbon nanotubes in Tamil Nadu

https://www.google.com/amp/s/www.hindustantimes.com/science/scientists-discover-2-600-year-old-earthenware-coated-with-carbon-nanotubes-in-tamil-nadu/story-SdaPFZLfas1bFnFlSPkfdO_amp.html